497135 (2004 QD20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6970086183 ± 3.44e-08
Semi-major axis (a)2.1734955318 AU ± 5.42e-09
Inclination (i)17.52969640° ± 5.17e-06
Long. of Asc. Node (Ω)224.19672838° ± 2.93e-05
Arg. of Perihelion (ω)353.38150449° ± 2.89e-05
Mean Anomaly (M)261.17329724° ± 6.95e-06
Mean Motion (n)0.3075913715°/day ± 1.15e-09
Perihelion dist (q)0.65855041 AU ± 7.48e-08
Aphelion dist (Q)3.68844065 AU ± 7.53e-08
Orbital Period3.20433658 yr ± 1.20e-08
Physical Parameters
H (abs. magnitude)18.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.312″
Uncertainty0
Orbit TypeApollo
MOID0.284978 AU
Observations Used216
Oppositions12
Arc Total2004-2022
First Observation Used2004-08-26
Last Observation Used2022-11-30
Observations (239)
Date Type RA Dec Mag Band Observatory
2004-08-26 05:47:35 C 21 45 04.20 +28 55 47.2 19.7 c 704
2004-08-26 06:03:43 C 21 45 03.00 +28 55 25.2 19.9 c 704
2004-08-26 06:18:27 C 21 45 01.98 +28 55 05.0 19.8 c 704
2004-08-26 06:33:09 C 21 45 01.09 +28 54 44.0 19.5 c 704
2004-08-26 06:48:21 C 21 45 00.05 +28 54 23.8 19.7 c 704
2004-08-26 20:05:09 C 21 44 10.23 +28 36 05.3 c 587
2004-08-26 20:08:45 C 21 44 10.14 +28 35 58.2 c 587
2004-08-26 20:12:21 C 21 44 09.87 +28 35 55.5 c 587
2004-08-27 00:13:12 C 21 43 54.38 +28 30 25.5 r J95
2004-08-27 00:18:10 C 21 43 53.88 +28 30 18.4 r J95
2004-08-27 03:03:37 C 21 43 44.46 +28 26 34.1 c G90
2004-08-27 03:17:12 C 21 43 43.58 +28 26 15.2 c G90
2004-08-27 03:45:50 C 21 43 41.63 +28 25 37.4 r H36
2004-08-27 04:23:13 C 21 43 39.14 +28 24 43.7 r H36
2004-08-27 05:02:30 C 21 43 36.95 +28 23 51.5 c 673
2004-08-27 05:05:29 C 21 43 36.78 +28 23 47.5 c 673
2004-08-27 05:12:29 C 21 43 36.60 +28 23 38.2 c 673
2004-08-27 05:15:30 C 21 43 36.12 +28 23 34.1 c 673
2004-08-27 05:56:15 C 21 43 33.31 +28 22 39.7 20.0 c 704
2004-08-27 06:20:46 C 21 43 31.78 +28 22 05.4 c 854
2004-08-27 06:26:16 C 21 43 31.37 +28 21 57.6 19.7 c 704
2004-08-27 06:32:34 C 21 43 31.06 +28 21 48.8 c 854
2004-08-27 06:39:16 C 21 43 30.63 +28 21 40.0 c 854
2004-08-27 06:41:27 C 21 43 30.36 +28 21 37.0 19.7 c 704
2004-08-30 20:54:14 C 21 38 38.01 +26 23 53.3 r J95
2004-08-30 22:15:48 C 21 38 33.52 +26 22 04.3 r J95
2004-08-30 22:26:51 C 21 38 32.98 +26 21 48.6 r J95
2004-09-01 19:47:21 C 21 36 18.39 +25 20 42.1 c 246
2004-09-01 19:48:48 C 21 36 18.38 +25 20 39.8 c 246
2004-09-01 19:51:42 C 21 36 18.14 +25 20 36.6 c 246
2004-09-01 19:53:04 C 21 36 18.09 +25 20 34.5 c 246
2004-09-02 19:51:42 C 21 35 11.96 +24 48 32.3 c 246
2004-09-02 19:53:00 C 21 35 11.85 +24 48 30.8 c 246
2004-09-02 19:54:20 C 21 35 11.79 +24 48 29.7 c 246
2004-09-02 19:56:01 C 21 35 11.70 +24 48 27.0 c 246
2004-09-02 19:57:37 C 21 35 11.62 +24 48 24.7 c 246
2004-09-02 19:58:56 C 21 35 11.54 +24 48 23.4 c 246
2004-09-02 20:01:45 C 21 35 11.46 +24 48 19.1 c 246
2004-09-04 20:42:08 C 21 33 07.80 +23 44 04.2 c 246
2004-09-04 20:43:35 C 21 33 07.72 +23 44 02.3 c 246
2004-09-04 21:33:40 C 21 33 05.76 +23 42 56.5 r J95
2004-09-04 21:47:55 C 21 33 05.17 +23 42 38.0 r J95
2004-09-04 22:02:14 C 21 33 04.49 +23 42 19.3 r J95
2004-09-06 20:20:52 C 21 31 20.43 +22 42 18.3 c 113
2004-09-06 20:22:27 C 21 31 20.34 +22 42 16.3 c 113
2004-09-06 20:24:02 C 21 31 20.30 +22 42 14.3 c 113
2004-09-06 20:25:37 C 21 31 20.24 +22 42 12.3 c 113
2004-09-06 20:27:12 C 21 31 20.17 +22 42 10.1 c 113
2004-09-16 04:49:28 C 21 25 41.27 +18 10 29.0 r 448
2004-09-16 05:01:15 C 21 25 40.99 +18 10 16.0 r 448